Merck
All Photos(2)

1.06639

Supelco

Sodium sulfate

anhydrous granulated for organic trace analysis EMSURE®

Linear Formula:
Na2SO4
CAS Number:
Molecular Weight:
142.04
MDL number:
EC Index Number:
231-820-9

Quality Level

product line

EMSURE®

assay

≥99.0% (acidimetric)

form

solid

potency

>2000 mg/kg LD50, oral (Rat)

loss

≤ 0.5% loss on drying, 130 °C

pH

5.2-8.0 (20 °C, 50 g/L in H2O)

mp

884 °C (lit.)

solubility

200 g/L

density

2.68 g/mL at 25 °C (lit.)

bulk density

1400‑1600 kg/m3

cation traces

Fe: ≤0.001%

storage temp.

2-30°C

SMILES string

[Na+].[Na+].[O-]S([O-])(=O)=O

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

PMZURENOXWZQFD-UHFFFAOYSA-L

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Analysis Note

Appearance: small crystals
Assay (acidimetric): ≥ 99.0 %
Fe (Iron): ≤ 0.001 %
Loss on drying (130 °C): ≤ 0.5 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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